243105350212 has 24 divisors (see below), whose sum is σ = 430492769280. Its totient is φ = 120115044000.

The previous prime is 243105350203. The next prime is 243105350231. The reversal of 243105350212 is 212053501342.

It is a super-2 number, since 2×243105350212² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825787 + ... + 1080802.

It is an arithmetic number, because the mean of its divisors is an integer number (17937198720).

Almost surely, 2^243105350212 is an apocalyptic number.

It is an amenable number.

243105350212 is a deficient number, since it is larger than the sum of its proper divisors (187387419068).

243105350212 is a wasteful number, since it uses less digits than its factorization.

243105350212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906971 (or 1906969 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 243105350212 its reverse (212053501342), we get a palindrome (455158851554).

The spelling of 243105350212 in words is "two hundred forty-three billion, one hundred five million, three hundred fifty thousand, two hundred twelve".